Teeter totter support



FIG. 1 is a perspective view of our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is an end elevation view thereof, both ends being identical; and,

FIG. 4 is a side elevation view thereof, both sides being identical.

The environmental structure shown in broken lines is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a teeter totter support, as shown and described. 